[beta-L-GalpA-(1->6)-beta-D-Glcp-(1->4)-[L-gro-alpha-D-manHepp-(1->7)-D-gro-alpha-L-manHepp-(1->2)-D-gro-alpha-L-manHepp-(1->6)-alpha-D-GlcpN-(1->4)-alpha-L-GalpA-(1->3)-L-gro-alpha-D-manHepp-(1->3)]-L-gro-alpha-D-manHep?-(1->5)]-D-gro-L-3-deoxy-galNon2ulo-onic(?->